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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Lamounier Threshold Days by Year (BR002045005)

4 fixed thresholds counted per year at Lamounier (BR002045005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lamounier Thresholds

  • Lamounier: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1983 with 72.
  • Lamounier: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1962 with 31.
  • Lamounier: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1992 with 11.
  • Lamounier: days with 100 mm (3.94 in) or more of precipitation in 16 years, most in 1955 with 2.
  • 4 fixed thresholds have at least one qualifying day at Lamounier.
57 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lamounier Days per year at Lamounier with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 72 in 1983. 0204060801942: 501943: 421944: 491945: 611946: 441947: 611948: 451949: 501950: 551951: 391952: 601953: 401954: 341955: 521956: 441957: 431958: 501959: 331960: 511961: 511962: 591963: 211964: 591965: 621967: 381968: 351969: 491970: 421971: 451973: 491974: 441975: 411976: 461977: 371978: 471979: 661980: 391981: 531982: 551983: 721984: 421985: 521986: 481987: 401988: 361989: 481990: 391991: 441992: 541993: 451994: 371995: 411996: 491997: 511998: 441999: 442000: 501942194819541960196719741980198619921998
Days per year at Lamounier with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 72 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Lamounier
YearDaysDecade average
19425050.3
19434250.3
19444950.3
19456150.3
19464450.3
19476150.3
19484550.3
19495050.3
19505545
19513945
19526045
19534045
19543445
19555245
19564445
19574345
19585045
19593345
19605147.2
19615147.2
19625947.2
19632147.2
19645947.2
19656247.2
19673847.2
19683547.2
19694947.2
19704246.3
19714546.3
19734946.3
19744446.3
19754146.3
19764646.3
19773746.3
19784746.3
19796646.3
19803948.5
19815348.5
19825548.5
19837248.5
19844248.5
19855248.5
19864848.5
19874048.5
19883648.5
19894848.5
19903944.8
19914444.8
19925444.8
19934544.8
19943744.8
19954144.8
19964944.8
19975144.8
19984444.8
19994444.8
20005050
First to last qualifying date each year at Lamounier For each year, a bar from the first to the last day at Lamounier meeting 10 mm (0.39 in). 1942: 5 January 1942 to 31 December 19421943: 2 January 1943 to 21 December 19431944: 7 January 1944 to 26 December 19441945: 7 January 1945 to 31 December 19451946: 5 January 1946 to 31 December 19461947: 1 January 1947 to 29 December 19471948: 10 January 1948 to 29 December 19481949: 9 January 1949 to 25 December 19491950: 3 January 1950 to 16 December 19501951: 7 January 1951 to 24 December 19511952: 1 January 1952 to 27 December 19521953: 2 January 1953 to 22 December 19531954: 2 January 1954 to 29 December 19541955: 2 January 1955 to 30 December 19551956: 1 January 1956 to 27 December 19561957: 5 January 1957 to 19 December 19571958: 15 January 1958 to 31 December 19581959: 2 January 1959 to 31 December 19591960: 8 January 1960 to 31 December 19601961: 1 January 1961 to 29 December 19611962: 3 January 1962 to 31 December 19621963: 19 January 1963 to 31 December 19631964: 3 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651967: 4 January 1967 to 27 December 19671968: 3 January 1968 to 27 December 19681969: 13 January 1969 to 25 December 19691970: 2 January 1970 to 20 December 19701971: 15 January 1971 to 27 December 19711973: 2 January 1973 to 31 December 19731974: 12 January 1974 to 31 December 19741975: 1 January 1975 to 27 December 19751976: 5 January 1976 to 27 December 19761977: 6 January 1977 to 24 December 19771978: 2 January 1978 to 28 December 19781979: 3 January 1979 to 28 December 19791980: 1 January 1980 to 30 November 19801981: 1 January 1981 to 28 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 24 December 19831984: 3 January 1984 to 31 December 19841985: 4 January 1985 to 30 December 19851986: 6 January 1986 to 31 December 19861987: 4 January 1987 to 21 December 19871988: 1 January 1988 to 24 December 19881989: 1 January 1989 to 31 December 19891990: 1 January 1990 to 26 December 19901991: 4 January 1991 to 31 December 19911992: 5 January 1992 to 29 December 19921993: 7 January 1993 to 31 December 19931994: 1 January 1994 to 26 December 19941995: 3 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 4 January 1998 to 29 December 19981999: 2 January 1999 to 29 December 19992000: 1 January 2000 to 31 December 200019421950195819671976198419922000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lamounier meeting 10 mm (0.39 in).
First to last qualifying date each year at Lamounier
YearFirst dateLast date
19421942-01-051942-12-31
19431943-01-021943-12-21
19441944-01-071944-12-26
19451945-01-071945-12-31
19461946-01-051946-12-31
19471947-01-011947-12-29
19481948-01-101948-12-29
19491949-01-091949-12-25
19501950-01-031950-12-16
19511951-01-071951-12-24
19521952-01-011952-12-27
19531953-01-021953-12-22
19541954-01-021954-12-29
19551955-01-021955-12-30
19561956-01-011956-12-27
19571957-01-051957-12-19
19581958-01-151958-12-31
19591959-01-021959-12-31
19601960-01-081960-12-31
19611961-01-011961-12-29
19621962-01-031962-12-31
19631963-01-191963-12-31
19641964-01-031964-12-31
19651965-01-011965-12-31
19671967-01-041967-12-27
19681968-01-031968-12-27
19691969-01-131969-12-25
19701970-01-021970-12-20
19711971-01-151971-12-27
19731973-01-021973-12-31
19741974-01-121974-12-31
19751975-01-011975-12-27
19761976-01-051976-12-27
19771977-01-061977-12-24
19781978-01-021978-12-28
19791979-01-031979-12-28
19801980-01-011980-11-30
19811981-01-011981-12-28
19821982-01-011982-12-31
19831983-01-011983-12-24
19841984-01-031984-12-31
19851985-01-041985-12-30
19861986-01-061986-12-31
19871987-01-041987-12-21
19881988-01-011988-12-24
19891989-01-011989-12-31
19901990-01-011990-12-26
19911991-01-041991-12-31
19921992-01-051992-12-29
19931993-01-071993-12-31
19941994-01-011994-12-26
19951995-01-031995-12-31
19961996-01-011996-12-31
19971997-01-011997-12-31
19981998-01-041998-12-29
19991999-01-021999-12-29
20002000-01-012000-12-31

Every Fixed Threshold

Fixed thresholds at Lamounier
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5772198350
25 mm (0.98 in): Days with 25 mm or more rain5731196218
50 mm (1.97 in): Days with 50 mm or more rain571119926
100 mm (3.94 in): Days with 100 mm or more rain16219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Lamounier threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).